diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 52a81c79c9d249b9699366b080a966feb394c992..85cf86554d8719f7af11efa0bad06cc6fa805e0f 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [11.10.x, 12.x, 13.x, 14.x]
+        node-version: [12.x, 14.x]
 
     services:
       postgres:
diff --git a/docs/setup.en.md b/docs/setup.en.md
index 7189aa96c4b2742e6de12cee03a0ca3744800f00..f658b67c15e09b43b6cf9f0ebe239c38374af343 100644
--- a/docs/setup.en.md
+++ b/docs/setup.en.md
@@ -22,8 +22,8 @@ adduser --disabled-password --disabled-login misskey
 Please install and setup these softwares:
 
 #### Dependencies :package:
-* **[Node.js](https://nodejs.org/en/)** >= 11.10.1
-* **[PostgreSQL](https://www.postgresql.org/)** >= 10
+* **[Node.js](https://nodejs.org/en/)** (12.x, 14.x)
+* **[PostgreSQL](https://www.postgresql.org/)** (>= 10)
 * **[Redis](https://redis.io/)**
 
 ##### Optional
diff --git a/docs/setup.fr.md b/docs/setup.fr.md
index b718c4b9fb123edb71dc5e660f87e1641dfbd2ba..3bb33a491e3d447e7731ca9166904ce489589681 100644
--- a/docs/setup.fr.md
+++ b/docs/setup.fr.md
@@ -22,8 +22,8 @@ adduser --disabled-password --disabled-login misskey
 Installez les paquets suivants :
 
 #### Dépendences :package:
-* **[Node.js](https://nodejs.org/en/)** >= 11.10.1
-* **[PostgreSQL](https://www.postgresql.org/)** >= 10
+* **[Node.js](https://nodejs.org/en/)** (12.x, 14.x)
+* **[PostgreSQL](https://www.postgresql.org/)** (>= 10)
 * **[Redis](https://redis.io/)**
 
 ##### Optionnels
diff --git a/docs/setup.ja.md b/docs/setup.ja.md
index 269495ab59c86e281cd637d483e505b5c4665181..252858cf978c10c864a2eaae695f37cf54ef94de 100644
--- a/docs/setup.ja.md
+++ b/docs/setup.ja.md
@@ -22,7 +22,7 @@ adduser --disabled-password --disabled-login misskey
 これらのソフトウェアをインストール・設定してください:
 
 #### 依存関係 :package:
-* **[Node.js](https://nodejs.org/en/)** (11.10.1以上)
+* **[Node.js](https://nodejs.org/en/)** (12.x, 14.x)
 * **[PostgreSQL](https://www.postgresql.org/)** (10以上)
 * **[Redis](https://redis.io/)**